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Table 107. Percentage of public schools with permanent and portable (temporary) buildings and with environmental factors that interfere with instruction in classrooms, by selected school characteristics, type of factor, and extent of interference: 2005
Type of environmental factor and extent of interference with ability to deliver classroom instruction All public schools1 Instructional level Size of school enrollment Percent of students eligible for free or reduced-price lunch
Elementary Secondary/ combined Less than 350 350 to 699 700 or more Less than 35 percent 35 to 49 percent 50 to 74 percent 75 percent or more
1 2 3 4 5 6 7 8 9 10 11
Estimated number of schools 80,910 (540) 61,590 (669) 19,320 (312) 27,300 (1,039) 32,710 (1,223) 20,900 (695) 32,880 (1,231) 13,400 (1,078) 18,620 (1,244) 16,010 (1,002)
Estimated enrollment (in thousands) 46,003 (457) 29,786 (457) 16,217 (195) 5,947 (331) 16,208 (605) 23,849 (699) 20,668 (721) 6,982 (531) 9,492 (721) 8,861 (670)
  Percent of schools
With permanent buildings 99 (0.4) 99 (0.5) 99 (0.5) 99 (0.5) 99 (0.6) 99 (0.5) 99 (0.5) 100 (†) 99 (0.7) 98 (1.2)
With portable (temporary) buildings 37 (1.9) 40 (2.5) 29 (1.9) 27 (3.1) 36 (2.9) 52 (2.8) 31 (2.9) 35 (4.6) 42 (3.3) 46 (3.9)
With portable classroom buildings 33 (1.7) 35 (2.1) 28 (1.9) 21 (2.6) 33 (2.7) 49 (2.9) 27 (2.7) 31 (4.4) 38 (3.0) 43 (3.9)
                                         
With environmental factors that inter-
   fere with instruction to a moderate
   or major extent
                                       
In permanent buildings2                                        
Lighting, artificial 6 (0.9) 6 (1.1) 5 (1.0) 5 (2.0) 6 (1.4) 6 (1.4) 4 (1.2) 5 (2.7) 8 (2.0) 8 (2.0)
Lighting, natural 6 (0.8) 5 (1.0) 7 (1.1) 6 (1.6) 6 (1.5) 4 (0.8) 6 (1.3) 4 (1.8) 8 (2.3) 4 (1.4)
Heating 12 (1.3) 12 (1.5) 13 (1.8) 14 (2.4) 11 (1.9) 12 (2.0) 13 (2.1) 9 (2.4) 12 (2.7) 14 (2.2)
Air conditioning 16 (1.6) 16 (2.0) 17 (2.0) 16 (2.6) 16 (2.6) 17 (2.0) 19 (2.8) 11 (3.2) 15 (2.7) 16 (2.5)
Ventilation 12 (1.2) 11 (1.5) 12 (1.6) 11 (2.1) 12 (2.1) 12 (1.8) 12 (1.7) 10 (3.4) 12 (2.8) 13 (2.6)
Indoor air quality 9 (1.2) 9 (1.5) 9 (1.4) 8 (1.7) 11 (1.9) 9 (1.6) 10 (1.7) 6 (2.4) 10 (2.7) 10 (2.7)
Acoustics or noise control 12 (1.1) 12 (1.4) 12 (1.5) 12 (2.3) 13 (2.0) 12 (1.6) 8 (1.3) 10 (2.8) 20 (3.3) 14 (2.9)
Physical condition of buildings 10 (1.2) 10 (1.5) 12 (1.4) 10 (2.1) 11 (1.8) 10 (1.7) 9 (1.7) 7 (2.5) 14 (3.1) 13 (2.3)
Size or configuration of rooms 13 (1.1) 13 (1.4) 13 (1.2) 14 (2.3) 12 (2.0) 13 (1.7) 14 (1.9) 8 (2.5) 14 (2.9) 12 (2.2)
In portable buildings3                                        
Lighting, artificial 8 (1.5) 8 (1.9) 5 (1.9) 11 (4.5) 3 (1.9) 10 (2.7) 5 (2.6) # (†) 12 (4.3) 11 (3.5)
Lighting, natural 9 (1.8) 9 (2.2) 9 (2.4) 11 (4.2) 5 (2.5) 12 (2.8) 7 (2.8) 2 (2.3) 14 (4.5) 11 (3.4)
Heating 9 (1.7) 9 (2.0) 9 (2.4) 11 (4.5) 6 (2.3) 12 (2.7) 9 (3.1) 7 (3.7) 10 (3.5) 10 (3.6)
Air conditioning 11 (2.0) 11 (2.3) 11 (2.6) 15 (5.3) 6 (2.3) 14 (3.1) 8 (3.0) 10 (4.5) 14 (4.6) 13 (3.8)
Ventilation 14 (1.8) 14 (2.1) 12 (2.7) 20 (5.8) 8 (2.4) 16 (3.3) 10 (3.2) 8 (3.7) 19 (5.0) 17 (3.9)
Indoor air quality 12 (1.9) 11 (2.3) 13 (2.8) 12 (4.2) 9 (2.9) 14 (3.2) 8 (2.8) 7 (3.5) 16 (4.6) 14 (3.4)
Acoustics or noise control 18 (2.1) 18 (2.5) 15 (2.8) 23 (4.8) 14 (3.4) 19 (3.4) 12 (3.8) 8 (3.8) 25 (5.1) 24 (4.3)
Physical condition of buildings 13 (1.9) 14 (2.3) 13 (2.7) 15 (5.1) 12 (3.1) 15 (2.9) 10 (3.2) 3 (2.0) 18 (4.5) 20 (3.9)
Size or configuration of rooms 16 (2.2) 16 (2.4) 16 (2.9) 15 (4.9) 16 (3.4) 18 (3.2) 9 (3.2) 15 (5.5) 16 (4.6) 26 (5.0)
  Percentage distribution of schools
By extent to which environmental
   factors interfere with instruction
                                       
In permanent buildings2  100 (†) 100 (†) 100 (†) 100 (†) 100 (†) 100 (†) 100 (†) 100 (†) 100 (†) 100 (†)
Not at all 56 (1.6) 56 (1.9) 58 (2.7) 55 (2.8) 56 (3.1) 59 (2.9) 57 (2.7) 62 (4.4) 51 (3.6) 57 (3.2)
Minor extent 33 (1.4) 34 (1.7) 30 (2.4) 34 (2.8) 33 (2.6) 32 (2.7) 32 (2.8) 32 (4.2) 38 (2.9) 32 (3.1)
Moderate extent 9 (1.0) 9 (1.3) 10 (1.4) 10 (2.0) 10 (1.8) 7 (1.2) 10 (1.9) 6 (2.3) 10 (2.5) 8 (2.0)
Major extent 1 (0.4) 1 (0.4) 2 (0.7) 1 (0.4) 1 (0.6) 2 (0.7) 1 (0.6) # (†) 1 (0.5) 3 (1.0)
In portable buildings3  100 (†) 100 (†) 100 (†) 100 (†) 100 (†) 100 (†) 100 (†) 100 (†) 100 (†) 100 (†)
Not at all 55 (3.3) 55 (3.7) 58 (4.3) 58 (6.8) 56 (5.7) 53 (4.3) 61 (6.1) 58 (9.3) 54 (6.4) 49 (5.6)
Minor extent 30 (3.1) 31 (3.6) 27 (3.5) 19 (5.4) 34 (5.8) 32 (3.8) 27 (4.7) 34 (8.5) 30 (6.5) 32 (5.5)
Moderate extent 13 (2.1) 12 (2.4) 14 (2.6) 21 (6.0) 10 (3.0) 10 (2.7) 13 (3.6) 7 (3.7) 13 (4.4) 16 (4.5)
Major extent 2 (0.8) 2 (1.0) 1 (0.8) 1 (1.4) # (†) 5 (1.9) # (†) 1 (0.9) 4 (2.4) 3 (1.9)
†Not applicable.
#Rounds to zero.
1 Excludes special education, vocational, and alternative schools; schools without enrollment data; and schools offering only preprimary education.
2 Data are based on the 99 percent of public schools with classrooms in permanent buildings.
3 Data are based on the 33 percent of public schools with classrooms in portable (temporary) buildings.
NOTE: Detail may not sum to totals because of rounding. Standard errors appear in parentheses.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Fast Response Survey System (FRSS), "Public School Principals' Perceptions of Their School Facilities: Fall 2005," FRSS 88, 2005, and unpublished tabulations. (This table was prepared June 2007.)
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